import java.util.Scanner;

public class Test {

    // 注意类名必须为 Main, 不要有任何 package xxx 信息
        public static void main(String[] args) {
            Scanner in = new Scanner(System.in);
            // 注意 hasNext 和 hasNextLine 的区别
            //1.读入数据
            int n  = in.nextInt() , m = in.nextInt(),q = in.nextInt();
            int[][] arr = new int[n + 1][m+ 1];
            for(int i = 1;i<= n;i++)
                for(int j = 1; j<= m;j++)
                    arr[i][j] = in.nextInt();

            //2.预处理一个前缀和矩阵
            long [][]dp = new long[n +1][ m + 1];
            for(int i = 1; i<=n;i++)
                for(int j = 1; j <=m;j++)
                    dp[i][j] = dp[i - 1][j] + dp[i][j - 1] + arr[i][j] - dp[i - 1][ j - 1];
            //3.使用前缀和矩阵
            while(q > 0){
                int x1 = in.nextInt(),y1 = in.nextInt(),x2 = in.nextInt(),y2 = in.nextInt();
                System.out.println(dp[x2][y2] - dp[x1 - 1][y2] - dp[x2][y1-1] + dp[x1-1][y1-1]);
                q--;
            }
        }
    }

